stealc | 7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 16:09

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General

Target

7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe
Size

2.8MB
MD5

176ef761a0d2ce28e3e2a3013eefa8e5
SHA1

9dcad1b3ccbe31d12f6b2ae8c7fabd3be5fa9c90
SHA256

7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131
SHA512

5a2880f3a6e41e80e054a10023a915ada443be0a8a7cb86ccd238eedd3c8998d7c8f3e1c657502e0d4c0e3900e63ff12b17d80fe5437d849b66f2ec65d28ac54
SSDEEP

49152:qqYVg81KGDnvpfm6N+h1SWgdfMVCQpPlskCgVkOe:gRBDnxfm6NYMWAMVCQp9GgKOe

Score

10^/10

stealc stok discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2572	7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2572	7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe

C:\Users\Admin\AppData\Local\Temp\7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe
"C:\Users\Admin\AppData\Local\Temp\7ab0aa98af77e31460285b0a3039640c10f1e4209166c698fbd02ed84e93e131.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2572-0-0x00000000010C0000-0x00000000015C0000-memory.dmp

Filesize
5.0MB

Download
memory/2572-3-0x00000000010C0000-0x00000000015C0000-memory.dmp

Filesize
5.0MB

Download
memory/2572-2-0x00000000010C1000-0x00000000010D8000-memory.dmp

Filesize
92KB

Download
memory/2572-1-0x0000000077AE0000-0x0000000077AE2000-memory.dmp

Filesize
8KB

Download
memory/2572-4-0x00000000010C0000-0x00000000015C0000-memory.dmp

Filesize
5.0MB

Download